
    function randomNum()
    {
        "use strict";
        return Math.floor(Math.random() * 9)+1;
    }
var loop1,loop2,loop3,time=30, i=0, number, selector3 = document.querySelector('.thirdDigit'), selector2 = document.querySelector('.secondDigit'),
    selector1 = document.querySelector('.firstDigit');
loop3 = setInterval(function()
{
    "use strict";
    if(i > 40)
    {
        clearInterval(loop3);
        selector3.textContent = 4;
    }else
    {
        selector3.textContent = randomNum();
        i++;
    }
}, time);
loop2 = setInterval(function()
{
    "use strict";
    if(i > 80)
    {
        clearInterval(loop2);
        selector2.textContent = 0;
    }else
    {
        selector2.textContent = randomNum();
        i++;
    }
}, time);
loop1 = setInterval(function()
{
    "use strict";
    if(i > 100)
    {
        clearInterval(loop1);
        selector1.textContent = 4;
    }else
    {
        selector1.textContent = randomNum();
        i++;
    }
}, time);
